Brush any excess flour off and, with the short edges at the top and bottom, mark the dough into thirds. Fold the top third down and bottom third up over the top. Turn the pastry 90 degrees, roll ...

2 x 320g/11½oz packets ready-rolled 50g/1¾oz 80g/3oz , grated 1 free-range , beaten 2 tsp , optional salt and freshly ground , to taste ...